temporary_file.hpp

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#pragma once
 
// RAII temporary file — creates a temp file on construction, deletes on destruction.
 
#include <filesystem>
#include <string>
 
namespace pulp::runtime {
 
class TemporaryFile {
public:
    explicit TemporaryFile(std::string_view extension = "");
 
    ~TemporaryFile();

    const std::filesystem::path& path() const { return path_; }

    std::string path_string() const { return path_.string(); }

    void release() { active_ = false; }

    static bool create_exclusive(const std::filesystem::path& path);
 
    // No copy
    TemporaryFile(const TemporaryFile&) = delete;
    TemporaryFile& operator=(const TemporaryFile&) = delete;
 
    // Move
    TemporaryFile(TemporaryFile&& other) noexcept;
    TemporaryFile& operator=(TemporaryFile&& other) noexcept;
 
private:
    std::filesystem::path path_;
    bool active_ = true;
};
 
}  // namespace pulp::runtime